Improvement in presses



PATENT OFFICE.

'ILLIABI C. RAY, OF REDINGTON, NEW JERSEY.

' IMPROVEMENT |N PRESSES.

Specification forming part of Letters Patent No. 38,333, dated April 29, 1363 To all whom it may con'cem.- l

Be it known that I, WILLMM C. RAY, of Redington township, in thc conntycf Hunl terdon and State ot" New Jersey, have invented a certain new and useful Improvement lin Presses,` oi' which thc following is a full, clear, and exact description, reference being had to the accompanying drawing, which makes part 0f this specititzitior, and which represents a view in perspective of a press emliracing my improvement.

It is the object oil my invention to produce a simple and etiicient press adapted to the general purposes of the farmer, such as piessing cheese and otherarticles; and to this end my improvement consists in combining the? screw ofthe press and the nut through which it works with two weighted levers, one ofi which has both a vertical aml a longitudinal movement on its fulerum, while the other has a vertical movement only, as hereinaftei de scribed, by which means the levers will'rise when thc pressure exceeds the desired limit. V instead of' turther depressing the platen, and thus prevent injury to the press.

In the accompanying drawing the press is shown as resting upon a strong base, A, into which two pillars, B, are inserted. A .strongv crossbeam, C, connects these pillars tirmly together, and is curved upward at one end to forma fulcrum for a lever, l), one end ot" which is pivoted to it in such uiannerthat the beam can move freclyin a vertical plane. A bucket, E, is suspended from one end ot' this lever. in which weights may bc placed in orderto give any required degree ot' pressure upon the platen of the press. Another lever, l", is pivoted tothe cross-beam C (ou the side opposite the point at which the weighted lever I) is pivoted) by means ofa link. (i, which permits the lever to move freely in a vertical plane, as well as to play endwise on its pivot. The other end of this lever plays in a groove on the underside of the weighted levenand is thus kept from sliding out of place. The lever is widened and perforated in its center, so as to form a yoke or ring, H. Inside of this ring l a put, l, containing a female screw, is hung t so as to swing freely on its pivots t'. The weighted lever 1) has o similar yoke in it, but i contains no nut. The screw works in the nut l, passing also through the crossheam C and the yoke of the weighted lever l). The screw J is firmly braced to the platen K-ot' the press, but in such manner as to turn freely without turning the platen. This platen has eyes L on each end, which- Q encircle the standards Il, and serve as guides to steady the platen, which is further braced by means of arms M, bolted to itv and to a collar, 0, in which the ,screw turns. The screw is rotated by means oal hand wheel, N. The

bed I of the press, has a groove, Q,round its edge, to catch any liquids squeezed out by the press, and a discharge-swan, R. The bedplate may be made removable, it desired. A curb, S, to contain the article to be pressed, is placed loosely on the bed-plate.

The followingr is the modc of operation of the press: The article to bepressed is placed within the curb and the platen brought down upon itv b v turning the hand-wheel N. The. bucket E is supplied with weights sufficient to produce the pressure desired, and when this is exceeded both the levers are raised by the screw,and thus` the dangerof breaking the press is avoided. The endplay of the lever I-` and the oscillation ot thc nut I prevent the straining or t wisting ot' the screw, which would other isc ensue. Suitable blocks 0r followers are placed above the article to be compressed, to prevent the platen coming down on the edge ot' the enrh; lult even should it do s0 the .rising of the levers would prevent it from being injured.

.Ilavingthustully described thc construction and mode ot`operation of' my improved press, what l clai-m therein as new, anddesire t0 Se cure by Letters Iatent, is-

Th combination of the screw J, pivoted nut l, yokelever I",and linkst with the weighted levers l).the whole heingarranged and operatingasdesci'ibcd, for the purposes set forth.

ln testimony whereot'l have hereunto subscribed my name.

wiLLlAM c. RAY.

Witnesses J AMES Ewtscn J Aoon It. SHEETS.

j of the press 

